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Volkswagen Golf Mk7 Service & Repair Manual: Working on refrigerant circuit

Repairs requiring the refrigerant circuit to be opened must only be carried out by specially trained personnel on the Volkswagen Golf Mk7 — this page states that requirement directly before pointing to detailed repair notes and handling instructions.

Repairs requiring the opening of the refrigerant circuit must only be carried out by specially trained personnel.
Notes on repairs to vehicles with air conditioning and on handling refrigerant can be found in ELSA under → Air conditioning system with refrigerant R134a; Rep. gr.00.
Notes on testers and tools for repairs to vehicles with air conditioning can be found in ELSA under → Air conditioning system with refrigerant R134a; Rep. gr.00.
Notes on working on air-conditioned vehicles using air conditioner service station can be found in ELSA under → Air conditioning system with refrigerant R134a; Rep. gr.00.
Under certain conditions, it is not necessary to renew the desiccant bag every time that the refrigerant circuit is opened. Refer to ELSA under → Air conditioning system with refrigerant R134a; Rep. gr.00.
The conditions and the procedure for purging with refrigerant R134a are described in ELSA under → Air conditioning system with refrigerant R134a; Rep. gr.00.
   
 

    Questions & answers

    Working on refrigerant circuit — Volkswagen Golf Mk7

    Who can work on the Golf Mk7 refrigerant circuit?
    Only specially trained and certified personnel. Opening the circuit without proper equipment contaminates the system and risks injury.
    Repair notes
    ...

    Refrigerant circuit seals
    Renew seals. Moisten seals with refrigerant oil before installing. Ensure proper seating of seals on the pipe or in the groov ...